perf stat: Fix path to PMU formats in documentation

As defined in tools/perf/util/pmu.c, the EVENT_SOURCE_DEVICE_PATH is
/sys/bus/event_source/devices/ (no traling 's' in event_source)

This patch corrects the path in the perf stat documentation

Signed-off-by: Jack Henschel <jackdev@mailbox.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jack Henschel <jackdev@mailbox.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: trivial@kernel.org
Link: http://lkml.kernel.org/r/20170824132022.10934-1-jackdev@mailbox.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt
index 698076313606..c37d61682dfb 100644
--- a/tools/perf/Documentation/perf-stat.txt
+++ b/tools/perf/Documentation/perf-stat.txt
@@ -41,13 +41,13 @@ report::
 
         - a symbolically formed event like 'pmu/param1=0x3,param2/' where
           param1 and param2 are defined as formats for the PMU in
-          /sys/bus/event_sources/devices/<pmu>/format/*
+          /sys/bus/event_source/devices/<pmu>/format/*
 
         - a symbolically formed event like 'pmu/config=M,config1=N,config2=K/'
           where M, N, K are numbers (in decimal, hex, octal format).
           Acceptable values for each of 'config', 'config1' and 'config2'
           parameters are defined by corresponding entries in
-          /sys/bus/event_sources/devices/<pmu>/format/*
+          /sys/bus/event_source/devices/<pmu>/format/*
 
 -i::
 --no-inherit::